CVE-2026-111665

Piranha CMS through 12.2 contains a missing authorization vulnerability in the Piranha.Manager LanguageApiController that allows any authenticated manager user to list, create, edit and delete site languages without the granular Language, LanguageAdd, LanguageEdit or LanguageDelete permissions. Attackers can call the manager/api/language Get, Save and Delete actions directly to remove languages and reassign sites to the default, affecting localized content instance-wide.

CVSS v3 5.4 MEDIUM

5.4^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 2.5

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact LOW

Availability Impact LOW

Scope UNCHANGED

References

Link	Resource
https://github.com/PiranhaCMS/piranha.core/blob/v12.2/core/Piranha.Manager/Controllers/LanguageApiController.cs#L21-L89
https://github.com/PiranhaCMS/piranha.core/blob/v12.2/core/Piranha.Manager/Services/LanguageService.cs#L84-L110
https://hackmd.io/@hieuPenguinnn/piranha-cms-manager-language-api-missing-permission
https://www.vulncheck.com/advisories/piranha-cms-through-12.2-missing-authorization-in-manager-language-api
https://hackmd.io/@hieuPenguinnn/piranha-cms-manager-language-api-missing-permission

Configurations

No configuration.

History

19 Oct 2026, 14:16

Type	Values Removed	Values Added
References	~~() https://hackmd.io/@hieuPenguinnn/piranha-cms-manager-language-api-missing-permission -~~	() https://hackmd.io/@hieuPenguinnn/piranha-cms-manager-language-api-missing-permission -

16 Oct 2026, 18:17

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-10-16 18:17

Updated : 2026-10-19 14:16

NVD link : CVE-2026-111665

Mitre link : CVE-2026-111665

CVE.ORG link : CVE-2026-111665

JSON object : View

Products Affected

No product.

CWE

CWE-862

Missing Authorization

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